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Prior to the establishment of Ethernet Switches in 1990, the most popularly used forms of Local Area Network (LAN) connectors were the hubs and repeaters. Connectors, as their title implies, are those additional pieces that make computers possible to connect with each other. However, Ethernet Switches particularly operate on Layer 2 of OSI Model’s Data Link Layer. Specially classified with Network Bridging, Switches are not to be mistaken as Routers. Ethernet Switching allows flooding and sharing of all data among all member computers of a network. Contrastingly, routers are strict about access and boundaries of each computer.

Need to know more about Ethernet switching, Learn today!

As far as Ethernet technology goes, the term Switches could be freely interchanged with Bridges and vice versa. Although, a connector must be completely tested and proven to comply with the Ethernet 802.3 networking standard for it to deserve having the title of being an Ethernet Switch.

Ethernet Switching, although highly similar with the previously mentioned hubs and repeaters, are technically more advanced and efficient. The two previous versions are limited allow half duplex mode for connections, whereas the Switching technology permits connections to be in full duplex mode. In other words, switching authorizes sending out and receiving in of data even at exactly the same moment. But with the other two connectors, only one action could be conducted at a time.  In a quick conclusion, switching is certainly more efficient with bandwidth allowance and schedule.

Aside from this, Ethernet Switching remains to hold the top spot because there are a lot of other perks that it still continues to offer to users. For instance, a switch could easily recognize pieces of data. The switches can analyze specific types and forms of data being transferred, so it can determine the exact location they are intended to be placed. By extension, data transfers are speedier and heavy traffic in bandwidth is prevented. The MAC (Media Access Control) addresses of the hitched computers are also registered to the switches’ memory, making it easy for them to assort directions for the moving data. And for not being able to exhibit these capabilities, older versions of connectors are in comparison less efficient in bandwidth usage.

Ethernet switches also come in different variations, each for more specified types of purpose. With high regard on the type and form of network they are targeted for, these switches also have varying performances. A type, called Unmanaged Switches, consist of ones that are smaller in size. They  have unadjustable and stabilized specifications and settings. Because they are designed to be immediately ready for usage, they are preferred by users who are not very feature-demanding such as those from private offices and home. There are also the so-called Managed Switches, which are larger in size. They could be technically changed according to how the users want them to perform. One special feature, the Virtual LAN, is a personal favorite by a lot because it allows the manager to monitor all flow of data taking place within the network. They are the choice for wide-scale offices and establishments. Because of their special qualities, they are  mostly used by huge companies and wide-networked environments.

Switches can also be acquired in both non-standardized or IEEE 802.3 standardized types. Ethernet Switching is yet again another improvement to the growing needs of our networks. Given its already amazing contributions to our everyday lives, we are sure that we can always expect for more.

Learn more about data center Ethernet technologies.

When it comes to notebook computers, or what we often call laptops, it is often the case that the first impression which may well come across our minds is that they are not really suitable for playing those amazing games we once used to play. Those laptops often turn out to be pretty slow in processing those games. Also, at the times we demand our laptops to carry on with the more heavily loaded software such as graphic design software, 3D animation software, photo editing software and so on, we will often get nothing but disappointment thanks to our unreliable laptops. Fortunately, we are not alone in facing this problem which is frustrating for sure. This is often the reason why most of the gamers out there will usually prefer customizable home PCs rather than laptops. Fortunately enough for us, Asus has also foreseen this problem and this may well be the reason for the launch of their Asus G51Jx 3D. But what can this laptop from the trustworthy manufacturer Asus can actually do?

Well, coming with the Intel Core i7 Quad Core mobile processors, there are surely a lot to expect for those serious hardcore gamers. Better yet, this laptop also comes supported by with a memory capacity of up to 4 GB pre-installed which is expandable to 8 GB. Some sites even claim that the memory is expandable to 16 GB. Yet, to even increase the performance rate, Power4Gear Hybrid as well as Extreme Turbo supports have been provided along with the laptop.

And that’s for system performance alone. Now, for the video or imagery processing, Asus G51Jx 3D comes offering users with the graphics card nVIDIA® GeForce GTS 360M with 1 GB of GDDR5 VRAM. As mentioned by the title, this graphics card is able to support nVIDIA 3D Vision giving the users the more realistic experience either in playing games or watching movies or simply viewing pictures. Needless to say, Microsoft® DirectX® 10 is supported. Yet, if the users feel like adding more add-on cards, they can make use of the PCI-Express™ 16X slots available. Also, for those users who find that multi-tasking is something they cannot go without, the Dual-View mode offered by this laptop will prove to be pretty handy. With Dual-View, the users will be able to view one application on the screen of the laptop and another one on the external monitor. Yet, in order to spoil the users’ eyes, Asus offers an nVIDIA 3D Vision ready widescreen monitor with a maximum resolution of up to 1366 x 768 pixels, a dimension measuring 15.6 inches diagonally and a frequency of 120 Hz.

It is out of the question that with the wireless nVIDIA 3D Vision kits, users, especially the gamers, will be able to obtain the feeling of completely immersive stereoscopic 3D experience. This is one key feature that Asus offers as one of the advantage customers will get by making a purchase on one of these laptop series. The kits include nVIDIA 3D Vision glasses along with its receiver.

However, of course, there is something that is really important as well besides graphics alone. But those who make up their minds on purchasing this laptop will not have to worry thanks to the full 3D EAX 4.0 HD audio which also supports Dolby® Home Theater. Asus has even offered built-in Altec Lansing speakers for the joy of the users.

Now, in terms of storage space, this laptop offers very spacious storage for sure. The ASUS G51Jx 3D Laptop comes offering a space of 1 TB which is built by 2 HDD with the capacity of 500 GB each. There is also a Blu-Ray/DVD±R/RW combo drive available.

As mentioned earlier, this laptop is meant not to disappoint the gamers. Therefore, for the sake of joyful game play in all circumstances, Asus has equipped this G51JX 3D laptop with an illuminated Chiclet keyboard fully sized with numeric keypad available. With that being said, the gamers will be able to play even in the dark without having to struggle trying to find out which one is which key. And for games that need to be played with numeric keypad in order to achieve more optimum performance, this will not be a problem for the users of Asus G51Jx 3D.

Are you a user who considers network connection to be of great importance? If yes, you will be grateful for buying this notebook computer model since it comes with a modem, LAN interface, Bluetooth™ V2.1+EDR and also an integrated 802.11 b/g/n Wi-Fi connectivity module. Yet, if this is not enough, there is an additional Intel® Centrino Ultimate-N 6300 – 802.11 A/B/G/N Wi-Fi connectivity module.

Do you either chat or video chat online most of the time? You can now express yourself more thanks to the 2.0-Megapixel web camera integrated into the model. Yet, for better overall experience, Asus has included a Razor optical mouse into the accessories obtained with the purchase of Asus G51Jx 3D Notebook. To keep the laptop in a safe place, the provided backpack may well be of great use and, to avoid the laptop from being stolen, Kensington lock has been included as well.

The selection of iPad cases can be overwhelming, and even more overwhelming can be the prices you would pay in your local store. And the prices are scary indeed.  $50.00 for a silicone plastic case?  Seriously? Don’t get me wrong – I’m a firm believer in getting a case for the iPad to protect it from any potential damage, I have to say that it seems they slap iPad case on any old piece of plastic and get a ridiculous amount of money for it.

We’re lucky though as there are some really good online stores that do have a great selection of iPad cases – and at much more reasonable prices than local computer stores.

In all honesty, the suggestion I give all of my friends when they ask me about which case they should buy is to go and look for an iPad case online and save some money. Sadly we are not able to negotiate the price of our iPad to get it down to less than the $499.00 we all have to pay for the 16GB model – but what we can do is make up some of the money on the case we buy and to shop around for all of our other iPad accessories online instead of going in and buying them retail. You are definitely going to have to fork out $500 for the base model of the ipad. Now you can save q good chunk of money if you’re a smart shopper and look around for a good quality, low priced iPad case. I’m not kidding when I say you can buy a leather case online for about $25, while the same case at your local bestbuy would run you about $75.

I’m a fan of leather cases for the iPad myself. I really consider my laptop to be extremely classy and functional – and a leather case, a good leather case, just adds that extra wow factor to the iPad for me. To be honest, I would really think twice before putting this gorgeous machine in a cheap plastic silicone case. I know, I know, some people use silicone cases because it lets them have a bit of a better grip on their ipads, etc. You may be a fan and naturally that’s just fine, I just don’t like them myself.

The kind of case I really love is the executive iPad leather cases they have available out there.  It’s a sure way to add even more class to the already classy iPad. I also like them because most of them are flip-open cases, which means that it feels much nicer in my hands when I’m holding the iPad due to a bit of extra weight, and I can close to front of the case and completely protect my iPad screen when I am not using it. And at under $30.00 it’s both easy on the eyes, and my wallet.

If you are someone who watches lots of HD videos, often play games or work with lots of graphics, it is best to get a laptop that is best suited for those purposes. Although the average laptop models will be able to perform those tasks, the will be lots of frequent system lags of hangs as a result of system overload.

The new ASUS N61JQ-X1 is a great example of laptop that is geared towards entertainment. ‘Video’ and ‘Audio’ are two of the main keywords in this model. This model is powered by a very powerful Intel Core i7-720QM 2.8Ghz processor. It has 4GB of DDR3 RAM and a 320GB hard drive.

The 16-inch screen is of course, a HD display and is backed by the very competent ATI 5730 graphics card. It has 1GB of VRAM dedicated to graphics. The audio on this laptop is also very noteworthy. It has a set of SRS Premium Sound speakers (from Altec Lansing) and it also comes with the Asus SonicMaster feature that greatly enhances the sound quality of the speakers (paper-foam cones). This model runs on the Windows 7 Home Premium 64-bit OS.

The 16-inch sports a rather subdued and minimalist design. There is an air of silent ‘classiness’ to it. It measures at 15.4 x 10.6 x 1.5 inches and weigh in at 6.5 pounds. It would make an excellent desktop replacement model.

That’s to its very impressive specs set, there is nothing that you can’t do on the ASUS N61JQ-X1. Whether it is running heavy applications, heavy multi-tasking or playing graphic-heavy games, N61JQ X1 Notebook performed flawlessly. Some of the standard features that come with it include a 2MP webcam, a HDMI port, wi-fi and Bluetooth connectivity. At the time of writing, the ASUS N61JQ-X1 is price at around $999 per unit

If you want to buy  a capable, awesome and graeat laptop this year then it has to be the

ASUS N61JQ-X1 16-Inch Versatile Entertainment Laptop (Dark Brown)

For less than three hundred dollars, you can now get a ten inch Acer computer, one with a sizable hard drive and a very workable screen size and keyboard size, that will easily fit in a large purse and is light and portable enough to take with you basically everywhere.

Although an extra power charger may seem like an extravagance, the results could be catastrophic if your current charger is lost or becomes defective. Because without a power charger you will not be able to recharge your laptop’s battery and you will also not be able to operate your computer from an electrical outlet. A laptop’s power charger will consist of the power adapter itself and its associated connecting cables.

An external mouse and keyboard are not essential, but they are preferred by many laptop users when they have a significant amount of work to do. That is because they like the larger size and tactile feedback of these devices and because they are easier to manipulate, resulting in fewer typing errors. They will use the laptop’s incorporated input devices when they are on the go, but plug in their external mouse and keyboard when they are working at their desktops for an extended time period.

Headphones, external speakers and upgraded CD and DVD drives are used by many people who frequently use their computers for entertainment purposes. These are definitely optional items, but they can be used to enrich your multimedia experience with your laptop or notebook computer.

A secondary monitor should also be considered if your small laptop screen limits your productivity or if you would like to employ the use of a dual monitor setup. This is especially true for ultra-portable and very lightweight models that are equipped with small displays to minimize their overall space and weight. Laptop and notebook PCs are usually equipped with a video port to connect an external monitor. The settings to adjust the display’s properties and your intended use (single or dual monitor setup) are configured in your operating system’s graphic’s display utility or control panel.

Almost every sector will benefit from the use of m-learning, however we feel three primary areas that will feel the biggest impact: Education, Agriculture and Healthcare

Additionally, rural communities will benefit tremendously not just from mLearning, but the mobile technology as a whole. Mobile devices are far cheaper than personal computers and do not depend on a continuous power supply to function.

There is a definite appeal in gaming for learning using mobile phones. Currently, several companies are experimenting with game-based learning technology for mobiles. However, the feasibility of such an approach depends on the cost of development and deployment of such applications, which are quite high at this time. With increasingly capable hardware and connectivity available and dropping costs, it’s only a matter of time before learning games on mobile become commonplace.

In the future, we will see mobile phones, computers and various other computing/media devices (iPods, Digital Cameras, PDAs, etc.) we use converge into a single personal mobile computing device. At such a time, the differentiation between eLearning and mLearning will cease to exist; all learning will be electronic and mobile you can be published without charge. You can to republish this article in your website or blog. Please provide links Active.